/**
 * 将时间戳格式化为年月日时分秒
 * @param {number|string} timestamp - 时间戳
 * @returns {string} 格式化后的时间字符串 (YYYY-MM-DD HH:mm:ss)
 */
export function formatTime(timestamp) {
	if (!timestamp) return ''
	
	const date = new Date(timestamp)
	const year = date.getFullYear()
	const month = String(date.getMonth() + 1).padStart(2, '0')
	const day = String(date.getDate()).padStart(2, '0')
	const hours = String(date.getHours()).padStart(2, '0')
	const minutes = String(date.getMinutes()).padStart(2, '0')
	const seconds = String(date.getSeconds()).padStart(2, '0')
	
	return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
} 